Home / 6,347.20-9,520.08-2,187.04

Finding the Fourth Proportional to 6,347.20, 9,520.08 and 2,187.04

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Solution

The fourth proportional to 6,347.20, 9,520.08 and 2,187.04 is: 3,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.20 : 9,520.08 = 2,187.04 : x
  2. Step 2: Convert to fraction form
    6,347.20/9,520.08 = 2,187.04/x
  3. Step 3: Cross multiply
    6,347.20x = 9,520.08 × 2,187.04
  4. Step 4: Simplify right side
    6,347.20x = 20,820,795.76
  5. Step 5: Solve for x
    x = 20,820,795.76/6,347.20
  6. Step 6: Final answer
    x = 3,280.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.